Reverse DNS Delegation Issues

Tue Sep 27 14:57:09 UTC 2005

Thank you Mark.
This issue has been resolved!!!

----- Original Message ----- 
From: "Mark Andrews" <Mark_Andrews at isc.org>
To: "AMG 1978" <amg1978 at gmail.com>
Cc: <bind-users at isc.org>
Sent: Monday, September 26, 2005 5:02 PM
Subject: Re: Reverse DNS Delegation Issues

>
>> I am stuck.  I am trying to setup reverse DNS on my server.  I had my
>> ISP setup delegation of my network to my 2 NS's but it is still not
>> working.  What am I missing?  Please help!!!
>>
>> I have followed a lot of HowTo's online and still I cannot make this 
>> work.
>> When I try reverse DNS lookups from such sites as www.dnsstuff.com and
>> others, it fails.
>>
>> When I try "dig -x" locally, it is failing too.
>> Grrr!!!
>>
>> -=-=-=-=- Here is what my ISP's zone file looks like for me -=-=-=-=-=-
>> ; definition of our target 66.113.90.32 subnet ; name servers for
>> subnet reverse map
>> 32/28 IN NS ns1.digitalrefuge.com.
>> 32/28 IN NS ns2.digitalrefuge.com.
>
> Ok 32/28.90.113.66.IN-ADDR.ARPA. is delegated to you ...
>
>> ; 32 network
>> 33 IN CNAME 33.32/28.90.113.66.in-addr.arpa. ; qualified
>> 34 IN CNAME 34.32/28
>> 35 IN CNAME 35.32/28
>> 36 IN CNAME 36.32/28
>> 37 IN CNAME 37.32/28
>> 38 IN CNAME 38.32/28
>> 39 IN CNAME 39.32/28
>> 40 IN CNAME 40.32/28
>> 41 IN CNAME 41.32/28
>> 42 IN CNAME 42.32/28
>> 43 IN CNAME 43.32/28
>> 44 IN CNAME 44.32/28
>> 45 IN CNAME 45.32/28
>> 46 IN CNAME 46.32/28
>> ; 47 broadcast
>>
>> -=-=-=-=-=- Here is what my named.conf looks like for this zone -=-=-=-=-
>> zone "33.32/28.90.113.66.in-addr.arpa" {
>>         type master;
>>         file "reverse/66.113.90.rev";
>
> Choose a different file name for this zone.
> e.g.
> "reverse/66.113.90.32.rev"
>
>> };
>
> ... but you have created a zone called 33.32/28.90.113.66.IN-ADDR.ARPA.
> Remove the "33." to make it "32/28.90.113.66.IN-ADDR.ARPA".
>
> Configure yourself as a stealth slave for 90.113.66.IN-ADDR.ARPA.
> You will want this for local reverse lookups to work when your
> external link is down.
>
> zone "90.113.66.IN-ADDR.ARPA" {
> type slave;
> masters { 66.113.95.21; 66.113.95.22; };
> file "reverse/66.113.90.rev"; (or "cache/66.113.90.rev")
> notify no;
> };
>
>> zone "digitalrefuge.com" {
>>         type master;
>>         file "pz/digitalrefuge.com";
>> };
>>
>> -=-=-=-=- Here is what my ../reverse/66.113.90.rev file looks 
>> like -=-=-=-=-
>>
>>
>> $TTL 8H
>
> Remove this line.  It is not needed.
>
>> $ORIGIN 33.32/28.90.113.66.IN-ADDR.ARPA.
>
>
>> @               IN      SOA     ns1.digitalrefuge.com. 
>> hostmaster.digitalrefuge.com. (
>>                         2005092603      ; serial, todays date + todays 
>> serial
>>  #
>>                         8H              ; refresh, seconds
>>                         15M             ; retry, seconds
>>                         2W              ; expire, seconds
>>                         3H              ; minimum, seconds
>>                         )
>>
>> @              IN      NS      ns1.digitalrefuge.com.
>> @              IN      NS      ns2.digitalrefuge.com.
>>
>> 34              IN      PTR     66-113-90-34.digitalrefuge.com.
>> 35              IN      PTR     66-113-90-35.digitalrefuge.com.
>> 36              IN      PTR     66-113-90-36.digitalrefuge.com.
>> 37              IN      PTR     66-113-90-37.digitalrefuge.com.
>> 38              IN      PTR     66-113-90-38.digitalrefuge.com.
>> 39              IN      PTR     66-113-90-39.digitalrefuge.com.
>> 40              IN      PTR     66-113-90-40.digitalrefuge.com.
>> 41              IN      PTR     66-113-90-41.digitalrefuge.com.
>> 42              IN      PTR     66-113-90-42.digitalrefuge.com.
>> 43              IN      PTR     66-113-90-43.digitalrefuge.com.
>> 44              IN      PTR     66-113-90-44.digitalrefuge.com.
>> 45              IN      PTR     66-113-90-45.digitalrefuge.com.
>> 46              IN      PTR     66-113-90-46.digitalrefuge.com.
>>
>>
>> -=-=-=-=- Here is what my ../pz/digitalrefuge.com zone looks 
>> like -=-=-=-=-
>>
>> $TTL 8H
>> @       IN      SOA     ns.digitalrefuge.com. 
>> hostmaster.digitalrefuge.com. (
>>                         2005092103      ; serial, todays date + todays 
>> serial
>>  #
>>                         8H              ; refresh, seconds
>>                         2H              ; retry, seconds
>>                         4W              ; expire, seconds
>>                         1D )            ; minimum, seconds
>>
>> @              NS      ns1.digitalrefuge.com.
>> @              NS      ns2.digitalrefuge.com.
>>
>>                 MX      10 mail         ; Primary Mail Exchanger
>>
>>                 A       66.113.90.41
>> localhost       A       127.0.0.1
>> 66-113-90-34    A       66.113.90.34
>> 66-113-90-35    A       66.113.90.35
>> 66-113-90-36    A       66.113.90.36
>> 66-113-90-37    A       66.113.90.37
>> 66-113-90-38    A       66.113.90.38
>> 66-113-90-39    A       66.113.90.39
>> 66-113-90-40    A       66.113.90.40
>> 66-113-90-41    A       66.113.90.41
>> 66-113-90-42    A       66.113.90.42
>> 66-113-90-43    A       66.113.90.43
>> 66-113-90-44    A       66.113.90.44
>> 66-113-90-45    A       66.113.90.45
>> 66-113-90-46    A       66.113.90.46
>> ns              A       66.113.90.35
>> ns1             A       66.113.90.35
>> ns2             A       66.113.90.36
>> www             A       66.113.90.41
>
>>
> --
> Mark Andrews, ISC
> 1 Seymour St., Dundas Valley, NSW 2117, Australia
> PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org 